UK online casinos operate under tight rules set by the UK Gambling Commission,...

https://papa-wiki.win/index.php/How_Do_You_Explain_the_Casino_Business_Model_Without_Sounding_Salesy%3F

UK online casinos operate under tight rules set by the UK Gambling Commission, aiming to keep play fair and transparent. This article looks at how they still turn a profit, such as maintaining a 96% return to player (RTP) rate